Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2SDH callsign genealogy
Currently held by HOUSE, SHERRIE D
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K2SDH's current licensee, walking backwards.
- Houston, StevenWAgranted 2026-06-24cancelled 2026-07-24
Successor callsigns
Callsigns held now by people who previously held K2SDH.
- HOUSE, SHERRIE DMEgranted 2017-10-13cancelled 2019-11-02
All historical holders
Every license row we've seen with the callsign K2SDH, oldest first.
- HOUSE, SHERRIE D NY2015-09-29 → cancelled 2017-10-13
- Houston, Steven WA2026-07-24 active